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Recognised as Colour

#4087EC

  • #4087EC
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4087EC is a blue with RGB values 64, 135, 236 and HSL 215°, 82%, 59%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4087EC#4087EC
HEX#4087EC
RGBrgb(64, 135, 236)
RGB (0–1)0.251, 0.5294, 0.9255
RGB percentages25.1%, 52.9%, 92.5%
HSLhsl(215.2, 81.9%, 58.8%)
HSV / HSBhsv(215.2, 72.9%, 92.5%)
CMYK72.9%, 42.8%, 0%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,229,100
CSS custom property--colour: #4087EC;

Brightness & contrast

Relative luminance0.24474WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.89:1
Contrast with white3.56:1WCAG normal text: Fail
Contrast with black5.89:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#BF7813

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5590F0no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#3580EAno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#009FAEno blue cones; rare, and affects men and women equally; ΔE 56.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.56:1WCAG large text: AA
Contrast with black, large text5.89:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.8Cornflower blue · ΔE 9.9Royal blue · ΔE 18.9Medium purple · ΔE 26.4Slate blue · ΔE 27Steel blue · ΔE 29.9
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ECA540
Analogous#40DDEC, #4F40EC
Triadic#EC4087, #87EC40
Split complementary#EC4F40, #DDEC40
Tetradic#EC40DD, #ECA540, #40EC4F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFCFE
Lighter +30%#CBDEFA
Lighter +20%#9DC1F5
Lighter +10%#6EA4F1
Darker −10%#176BE2
Darker −20%#1255B4
Darker −30%#0D3F86
Darker −40%#092957
More saturated +25%#2D84FF
Less saturated −25%#5A8CD2

Channel breakdown

R64
G135
B236
Red64 (25.1%)
Green135 (52.9%)
Blue236 (92.5%)
Hue215.23°
Saturation (HSL)81.9%
Lightness58.82%
Dominant channelBlue
Hex per channelR 40 · G 87 · B EC

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Every value on this page was computed from “4087ec” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.